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Finding the Fourth Proportional to 1,451, 2,003.10 and 1,364.60

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Solution

The fourth proportional to 1,451, 2,003.10 and 1,364.60 is: 1,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451 : 2,003.10 = 1,364.60 : x
  2. Step 2: Convert to fraction form
    1,451/2,003.10 = 1,364.60/x
  3. Step 3: Cross multiply
    1,451x = 2,003.10 × 1,364.60
  4. Step 4: Simplify right side
    1,451x = 2,733,430.26
  5. Step 5: Solve for x
    x = 2,733,430.26/1,451
  6. Step 6: Final answer
    x = 1,883.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.